An acid is a chemical species that donates protons or hydrogen ions and/or accepts electrons. Most acids contain a hydrogen atom bonded that can release (dissociate) to yield a cation and anion in water. |
A Bronsted-Lowry acid, like anArrhenius acid, is a compound that breaks down to give an H+ in solution. The only difference is that the solution does not have to be water. |
The pH scale ranges from 0 to 14. A pH of 7 is neutral. A pH less than 7 is acidic. A pH greater than 7 is basic. |
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The most common of all indicators is litmus paper.
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